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block: move bounce declarations to block/blk.h

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Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2017-06-19 09:26:21 +02:00 • committed by Jens Axboe
parent caa4b02476
commit 3bce016a4c
3 changed files with 14 additions and 13 deletions
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13
include/linux/blkdev.h
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@ -884,19 +884,6 @@ extern unsigned long blk_max_low_pfn, blk_max_pfn;
#define BLK_DEFAULT_SG_TIMEOUT (60 * HZ)
#define BLK_MIN_SG_TIMEOUT (7 * HZ)
#ifdef CONFIG_BOUNCE
extern int init_emergency_isa_pool(void);
extern void blk_queue_bounce(struct request_queue *q, struct bio **bio);
#else
static inline int init_emergency_isa_pool(void)
{
return 0;
}
static inline void blk_queue_bounce(struct request_queue *q, struct bio **bio)
{
}
#endif /* CONFIG_MMU */
struct rq_map_data {
struct page **pages;
int page_order;